
<!DOCTYPE html>
<html>
<head>
    <title>weichao_3</title>
    <meta charset="utf-8">
    <script src="before.js"></script>
</head>
<body>
<h1>登录界面</h1>
<br/>

<a href="javascript:void(0);" id="validatePhoneNumberLink">点击验证手机号格式是否正确</a>






</body>
</html>